function lunbo(){
  var li_doc=document.getElementsByClassName("banner1"),
        span_doc=document.getElementsByClassName("flicking_con")[0];
      for(var i=0;i<li_doc.length;i++){
        var span=document.createElement("span");
        span_doc.appendChild(span);
      }
      
  $(".main_visual").hover(function(){
    //$("#btn_prev,#btn_next").fadeIn()
  },function(){
    //$("#btn_prev,#btn_next").fadeOut()
  });
  
  $dragBln = false;
  
  $(".main_image").touchSlider({
    flexible : true,
    speed : 200,
    btn_prev : $("#btn_prev"),
    btn_next : $("#btn_next"),
    paging : $(".flicking_con span"),
    counter : function (e){
      $(".flicking_con span").removeClass("on").eq(e.current-1).addClass("on");
    }
  });
  
  $(".main_image").bind("mousedown", function() {
    $dragBln = false;
  });
  
  $(".main_image").bind("dragstart", function() {
    $dragBln = true;
  });
  
  $(".main_image a").click(function(){
    if($dragBln) {
      return false;
    }
  });
  
  timer = setInterval(function(){
    $("#btn_next").click();
  }, 3000);
  
  $(".main_visual").hover(function(){
    clearInterval(timer);
  },function(){
    timer = setInterval(function(){
      $("#btn_next").click();
    },5000);
  });
  
  $(".main_image").bind("touchstart",function(){
    clearInterval(timer);
  }).bind("touchend", function(){
    timer = setInterval(function(){
      $("#btn_next").click();
    }, 5000);
  });
  
}
lunbo();